🌍 ClimateRiskCheck

Natural Disaster Risk in Jefferson County

Colorado

8.0out of 10
Very High Risk

Risk Summary for Jefferson County

Jefferson County scores 8.0/10 (Very High risk), above the U.S. average of 4.5. The leading hazard is Hail.

Top Hazards

Hail Lightning Wildfire

All 18 Hazard Scores

Wildfire
10.0
Hail
10.0
Lightning
10.0
Winter Weather
9.8
Landslide
9.8
Volcanic Activity
9.8
Tornado
9.7
Avalanche
9.6
Strong Wind
9.4
Earthquake
8.6
Cold Wave
7.7
Ice Storm
7.6
Extreme Heat
7.5
Tsunami
5.4
Coastal Flooding
4.9
Drought
3.7
Hurricane
2.4
Riverine Flooding
1.0

How it compares

Jefferson County
8.0
Colorado avg.
5.2
US national avg.
4.5

Live Conditions

Checking live alerts…

🏠 What this means for insurance

High-risk area β€” review your coverage carefully

Properties in very high-risk areas often require specialized coverage that standard homeowners policies do not include. Consider flood insurance through the NFIP, wildfire-specific endorsements, or earthquake riders depending on your top hazards. Premiums in these areas can be significantly higher than average.

This is general information only. Consult a licensed insurance professional for advice specific to your property.

Natural Hazard Profile: Jefferson County, Colorado

Jefferson County is located in the United States in Colorado, home to roughly 582,825 residents. The county experiences dry air, significant mountain snowfall, and rapid weather changes, with dramatic spring snowstorms and summer hailstorms shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.

According to FEMA's National Risk Index, Jefferson County carries an overall risk score of 8.0/10, placing it in the very high category. Hail is the primary natural disaster concern, with severe storms delivering baseball-sized or larger hailstones that cause significant insured losses each year. The area also faces notable exposure to lightning and wildfire.

Jefferson County's risk score, considerably above the 5.2/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Jefferson County, the highest-scoring are hail, lightning, and wildfire. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

The very high risk environment in Jefferson County warrants proactive steps beyond standard preparedness. Review property insurance annually to ensure it covers the area's primary hazards, including hail. Establish a household emergency plan and keep supplies stocked, as the region's risk profile may require rapid response.

What this means for Jefferson County: Hail preparedness

  • Impact-resistant (Class 4) roofing can reduce hail damage and may lower insurance premiums.
  • Park vehicles under cover when severe storms are forecast to avoid costly hail damage.
  • Document roof and property condition annually to streamline any future hail claims.

Cities in Jefferson County

ZIP codes in Jefferson County

Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.